急性B型主动脉夹层Castor单分支支架置入术后近端主动脉的早期重塑

doi:10.6040/j.issn.1671-7554.0.2022.0854

Abstract

Abstract: Objective To evaluate the early remodeling of proximal aorta after Castor single-branched stent-graft implantation for acute type B aortic dissection. Methods Clinical data of 22 patients with acute type B aortic dissection who underwent Castor single-branched stent-graft implantation due to unfavorable proximal landing zone during Jan. 2018 and Dec. 2021 were collected, including the demographic characteristics, surgical details, postoperative complications and follow-up results. Three-dimensional imaging created by computed tomography angiography was used to measure parameters such as angulation, cross-sectional area(CSA), length and tortuosity. The geometric parameters of the proximal aorta before operation and 3 months after operation were compared. Results After operation, the angle between aortic arch and ascending aorta, descending aorta and left subclavian artery increased(P<0.001), the cross-sectional areas of ascending aorta and the proximal aortic arch decreased(P<0.05), the cross-sectional areas of total thoracic aorta and false lumen decreased(P<0.001), the cross-sectional areas of the true lumen increased(P<0.001), and the length of aortic arch increased(P<0.05). There were no significant differences in the other aortic parameters(P>0.05). Conclusion Castor single-branched stent-graft has a good geometric remodeling effect on the proximal aorta after the treatment of acute type B aortic dissection, which provides a safe and effective treatment for patients with unfavorable proximal landing zone.

Key words: Geometric form, Early remodeling, Proximal aorta, Castor single-branched stent-graft, Acute type B aortic dissection

CLC Number:

R654.3

WANG Zhenhua, SONG Han,WEI Duoliang, LI Bowen, XU Kai, FANG Changcun, ZHAO Xin. Early remodeling of the proximal aorta after Castor single-branched stent-graft implantation for acute type B aortic dissection[J].Journal of Shandong University (Health Sciences), 2023, 61(2): 36-42.

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Early remodeling of the proximal aorta after Castor single-branched stent-graft implantation for acute type B aortic dissection

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